diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleUpdateTest.cs
index f71c827d..be5869d3 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleUpdateTest.cs
@@ -53,6 +53,17 @@ namespace FreeSql.Tests.Odbc.Oracle
                 new ts_source_mpk { id1 = 1, id2 = 7, xx = "a1" },
                 new ts_source_mpk { id1 = 1, id2 = 8, xx = "b122" }
             }).NoneParameter().ToSql().Replace("\r\n", "");
+
+            var uuids = new[]
+            {
+                new tssi01{tint = 1, title = "title01"},
+                new tssi01{tint = 2, title = "title02"},
+                new tssi01{tint = 3, title = "title03"},
+            };
+            g.oracle.Insert(uuids).ExecuteAffrows();
+            g.oracle.Update<tssi01>().SetSource(uuids).ExecuteAffrows();
+
+            var tssi01tb = g.oracle.DbFirst.GetTableByName("tssi01");
         }
         public class ts_source_mpk
         {
@@ -71,7 +82,7 @@ namespace FreeSql.Tests.Odbc.Oracle
         }
         public class tssi01
         {
-            [Column(CanUpdate = false)]
+            [Column(CanUpdate = false, DbType = "nvarchar2(36)")]
             public Guid id { get; set; }
             public int tint { get; set; }
             public string title { get; set; }
diff --git a/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleUpdateTest.cs b/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleUpdateTest.cs
index 13abb3ef..da976c0d 100644
--- a/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleUpdateTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleUpdateTest.cs
@@ -53,6 +53,17 @@ namespace FreeSql.Tests.Oracle
                 new ts_source_mpk { id1 = 1, id2 = 7, xx = "a1" },
                 new ts_source_mpk { id1 = 1, id2 = 8, xx = "b122" }
             }).NoneParameter().ToSql().Replace("\r\n", "");
+
+            var uuids = new[]
+            {
+                new tssi01{tint = 1, title = "title01"},
+                new tssi01{tint = 2, title = "title02"},
+                new tssi01{tint = 3, title = "title03"},
+            };
+            g.oracle.Insert(uuids).ExecuteAffrows();
+            g.oracle.Update<tssi01>().SetSource(uuids).ExecuteAffrows();
+
+            var tssi01tb = g.oracle.DbFirst.GetTableByName("tssi01");
         }
         public class ts_source_mpk
         {
@@ -71,7 +82,7 @@ namespace FreeSql.Tests.Oracle
         }
         public class tssi01
         {
-            [Column(CanUpdate = false)]
+            [Column(CanUpdate = false, DbType = "nvarchar2(36)")]
             public Guid id { get; set; }
             public int tint { get; set; }
             public string title { get; set; }
diff --git a/FreeSql/FreeSql.xml b/FreeSql/FreeSql.xml
index b4918bb3..36068d41 100644
--- a/FreeSql/FreeSql.xml
+++ b/FreeSql/FreeSql.xml
@@ -2594,6 +2594,145 @@
             <param name="parms"></param>
             <returns></returns>
         </member>
+        <member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询，若使用读写分离，查询【从库】条件cmdText.StartsWith("SELECT ")，否则查询【主库】
+            </summary>
+            <param name="readerHander"></param>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.String,System.Object)">
+            <summary>
+            查询，ExecuteReaderAsync(dr => {}, "select * from user where age > ?age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteArrayAsync("select * from user where age > ?age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteDataSetAsync("select * from user where age > ?age; select 2", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteDataTableAsync("select * from user where age > ?age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            在【主库】执行
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object)">
+            <summary>
+            在【主库】执行，ExecuteNonQueryAsync("delete from user where age > ?age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            在【主库】执行
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object)">
+            <summary>
+            在【主库】执行，ExecuteScalarAsync("select 1 from user where age > ?age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > ?age", new SqlParameter { ParameterName = "age", Value = 25 })
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object)">
+            <summary>
+            执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > ?age", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > ?age; select * from address", new SqlParameter { ParameterName = "age", Value = 25 })
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object)">
+            <summary>
+            执行SQL返回对象集合，Query&lt;User, Address&gt;("select * from user where age > ?age; select * from address", new { age = 25 })<para></para>
+            提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
         <member name="E:FreeSql.IAop.ParseExpression">
             <summary>
             可自定义解析表达式
@@ -3279,6 +3418,12 @@
             <param name="timeout">超时</param>
             <returns></returns>
         </member>
+        <member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.GetAsync">
+            <summary>
+            获取资源
+            </summary>
+            <returns></returns>
+        </member>
         <member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.Return(FreeSql.Internal.ObjectPool.Object{`0},System.Boolean)">
             <summary>
             使用完毕后，归还资源
@@ -3349,6 +3494,12 @@
             </summary>
             <param name="obj">资源对象</param>
         </member>
+        <member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnGetAsync(FreeSql.Internal.ObjectPool.Object{`0})">
+            <summary>
+            从对象池获取对象成功的时候触发，通过该方法统计或初始化对象
+            </summary>
+            <param name="obj">资源对象</param>
+        </member>
         <member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnReturn(FreeSql.Internal.ObjectPool.Object{`0})">
             <summary>
             归还对象给对象池的时候触发
diff --git a/Providers/FreeSql.Provider.Odbc/Oracle/Curd/OdbcOracleUpdate.cs b/Providers/FreeSql.Provider.Odbc/Oracle/Curd/OdbcOracleUpdate.cs
index 9e52f3c7..e8332f8d 100644
--- a/Providers/FreeSql.Provider.Odbc/Oracle/Curd/OdbcOracleUpdate.cs
+++ b/Providers/FreeSql.Provider.Odbc/Oracle/Curd/OdbcOracleUpdate.cs
@@ -50,7 +50,9 @@ namespace FreeSql.Odbc.Oracle
         {
             if (_table.Primarys.Length == 1)
             {
-                sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
+                if (_table.Primarys[0].Attribute.DbType.Contains("NVARCHAR2"))
+                    sb.Append("N");
+                sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys[0].GetMapValue(d)));
                 return;
             }
             sb.Append("(");
diff --git a/Providers/FreeSql.Provider.Oracle/Curd/OracleUpdate.cs b/Providers/FreeSql.Provider.Oracle/Curd/OracleUpdate.cs
index 0b65e0fb..02c0ac49 100644
--- a/Providers/FreeSql.Provider.Oracle/Curd/OracleUpdate.cs
+++ b/Providers/FreeSql.Provider.Oracle/Curd/OracleUpdate.cs
@@ -50,7 +50,9 @@ namespace FreeSql.Oracle.Curd
         {
             if (_table.Primarys.Length == 1)
             {
-                sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
+                if (_table.Primarys[0].Attribute.DbType.Contains("NVARCHAR2"))
+                    sb.Append("N");
+                sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys[0].GetMapValue(d)));
                 return;
             }
             sb.Append("(");